Portion of brush head for electric toothbrush



FIG. 1 is a front elevation view of a portion of a brush head forelectric toothbrush according to the new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is an enlarged top view thereof;

FIG. 6 is an enlarged bottom view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is an enlarged partial rear view of a portion of the brush headfor electric toothbrush designated by Area B in FIG. 2;

FIG. 10 is an enlarged bottom view of the design as shown in FIG. 9;

FIG. 11 is a front perspective view of the design as shown in FIG. 10;and,

FIG. 12 is a rear perspective view of the design as shown in FIG. 10.

The dot-dash lines outlining an area of the brush head in FIG. 2 and thebreak line shown in FIGS. 9, 11, and 12 form no part of the claimeddesign. The broken lines shown in FIGS. 1, 3-8 and 10-12 illustrateportions of the brush head that form no part of the claimed design.

CLAIM The ornamental design for a portion of a brush head for electrictoothbrush, as shown and described.